Function env_root_present_when_consts_nonempty

crates/ixon/src/serialize.rs:2476–2485

()

    // Sections 4-6 (names / named / comms) are laid out after the
    // hints precisely so this reader can stop here.

    // Verify merkle root over the §2 addresses (ascending — enforced).
    let computed_root =
      merkle_root_canonical(&consts_order).unwrap_or_else(zero_address);
    if computed_root != stored_root {
      return Err(format!(
        "Env::get_anon: merkle root mismatch (stored={}, computed={})",
        stored_root.hex(),
        computed_root.hex(),
      ));
    }